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117985343 = 7157107357
BaseRepresentation
bin1110000100001…
…01000000111111
322020000021110112
413002011000333
5220201012333
615412500235
72631600410
oct702050077
9266007415
10117985343
1160666153
123361a67b
131b59cc18
1411953807
15a558948
hex708503f

117985343 has 8 divisors (see below), whose sum is σ = 135700512. Its totient is φ = 100485216.

The previous prime is 117985297. The next prime is 117985381. The reversal of 117985343 is 343589711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117985343 - 214 = 117968959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117985343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117985243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52580 + ... + 54777.

It is an arithmetic number, because the mean of its divisors is an integer number (16962564).

Almost surely, 2117985343 is an apocalyptic number.

117985343 is a deficient number, since it is larger than the sum of its proper divisors (17715169).

117985343 is a wasteful number, since it uses less digits than its factorization.

117985343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107521.

The product of its digits is 90720, while the sum is 41.

The square root of 117985343 is about 10862.1058271405. The cubic root of 117985343 is about 490.4665042177.

The spelling of 117985343 in words is "one hundred seventeen million, nine hundred eighty-five thousand, three hundred forty-three".

Divisors: 1 7 157 1099 107357 751499 16855049 117985343